1746 
DIPTERA OP AUSTRALIA, 
209. CuLEX Macleayi, sp.n. 
9 .- -Length of antennae 0’095 inch ... 2-39 millimetres. 
Expanse of wings 0’170x0 050 ... 4'31 x 1-27 
Size of body 0-190 x 0-040 ... 4-81 x 1-01 
Antennae fuliginous, about the length of the proboscis ; first 
joint of the scapus and base of the second testaceous. Head deep 
brow'n, densely covered with golden-yellow scales, interspersed with 
a few brown hairs. Proboscis violet-brown, lighter in the middle, 
six times the length of the palpi. Palpi violet-brown. Thorax 
deep brown (when denuded), densely covered with golden-yellow 
scales and scattered brown hairs, traversed by two indistinctly 
traceable parallel longitudinal bare lines ; pleurae lighter browui 
than the thorax, spotted with a few small patches of white scales 
and golden-yellow hairs ; scutellum and metanotum more or less 
testaceous-brown, the foi mer covered with golden-yellow scales and 
long brown hairs. Halteres ochre-yellow. Abdomen twice the 
length of the thorax, deep umbrous-brown with an almost im- 
pex’ceptible violet reflection, each segment bordered anteriorly with 
a very narrow band of whitish or pale yellowish scales, densely 
fringed posteriorly and laterally with long pale golden-yellow 
hairs ; venter densely covered with whitish or pale yellowish 
scales ; lamellie of the ovipositor light brown, densely pubescent. 
Coxse ochraceous or testaceous, with white scales and golden- 
yellow hairs. Femora, tibise and tarsi covered with violet-brown 
scales, the undersides of the former two being covei-ed with whitish 
or pale yellowish ; in the hind-legs the tibiae slightly tipped with 
whitish or pale yellowish. In the hind-legs the tibia and meta- 
tarsus of about equal length. Wings longer than the abdomen, 
hyaline, the veins densely covered with very long fine brown 
scales. Auxiliary vein joining the costa opposite the tip of the 
posterior branch of the fork of the fifth longitudinal ; middle 
cross- vein shorter than the postei-ior cross-vein, situated in front of 
it a distance a little greater than the length of the latter ; first 
sub-marginal cell scai’cely narrowei’, but considerably longer, than 
